@Rosshan123, I presume the sizes are for YOUR scenario. The Fps class only uses about 6KB. The avg seems about right for a scenario running at normal speed. A scenario is more likely to lag on the site than off. This should give you an idea of how bad your scenario lags, if at all.

Number of moves to solve: * L-1: 7 * L-2: 46 * L-3: 103 * L-4: 146 * L-5: 132 * L-6: 128 * L-7: 59

Start act method of Road class with: if (getObjects(Car.class).isEmpty()) { // game over code here } else

Turning is touchy. Movement is not consistent with rotation. Consider using a smooth moving system (tracking x and y coordinates more accurately and moving using axis vectors).

@Max56, source may be made available if it gets liked some (I will also try to have it documented with comments). Btw, your like did not take (maybe you clicked twice on the button).